42 from_fence(struct dma_fence *fence)  in from_fence()  argument
44 	return container_of(fence, struct nouveau_fence, base);  in from_fence()
48 nouveau_fctx(struct nouveau_fence *fence)  in nouveau_fctx()  argument
50 	return container_of(fence->base.lock, struct nouveau_fence_chan, lock);  in nouveau_fctx()
54 nouveau_fence_signal(struct nouveau_fence *fence)  in nouveau_fence_signal()  argument
58 	dma_fence_signal_locked(&fence->base);  in nouveau_fence_signal()
59 	list_del(&fence->head);  in nouveau_fence_signal()
60 	rcu_assign_pointer(fence->channel, NULL);  in nouveau_fence_signal()
62 	if (test_bit(DMA_FENCE_FLAG_USER_BITS, &fence->base.flags)) {  in nouveau_fence_signal()
63 		struct nouveau_fence_chan *fctx = nouveau_fctx(fence);  in nouveau_fence_signal()
69 	dma_fence_put(&fence->base);  in nouveau_fence_signal()
74 nouveau_local_fence(struct dma_fence *fence, struct nouveau_drm *drm)  in nouveau_local_fence()  argument
76 	if (fence->ops != &nouveau_fence_ops_legacy &&  in nouveau_local_fence()
77 	    fence->ops != &nouveau_fence_ops_uevent)  in nouveau_local_fence()
80 	return from_fence(fence);  in nouveau_local_fence()
86 	struct nouveau_fence *fence;  in nouveau_fence_context_kill()  local
91 		fence = list_entry(fctx->pending.next, typeof(*fence), head);  in nouveau_fence_context_kill()
94 			dma_fence_set_error(&fence->base, error);  in nouveau_fence_context_kill()
96 		if (nouveau_fence_signal(fence))  in nouveau_fence_context_kill()
112 	 * Ensure that all accesses to fence->channel complete before freeing  in nouveau_fence_context_del()
133 	struct nouveau_fence *fence;  in nouveau_fence_update()  local
138 		fence = list_entry(fctx->pending.next, typeof(*fence), head);  in nouveau_fence_update()
140 		if ((int)(seq - fence->base.seqno) < 0)  in nouveau_fence_update()
143 		drop |= nouveau_fence_signal(fence);  in nouveau_fence_update()
159 		struct nouveau_fence *fence;  in nouveau_fence_uevent_work()  local
162 		fence = list_entry(fctx->pending.next, typeof(*fence), head);  in nouveau_fence_uevent_work()
163 		chan = rcu_dereference_protected(fence->channel, lockdep_is_held(&fctx->lock));  in nouveau_fence_uevent_work()
186 	struct nouveau_fence_priv *priv = (void*)drm->fence;  in nouveau_fence_context_new()
221 nouveau_fence_emit(struct nouveau_fence *fence)  in nouveau_fence_emit()  argument
223 	struct nouveau_channel *chan = unrcu_pointer(fence->channel);  in nouveau_fence_emit()
224 	struct nouveau_fence_chan *fctx = chan->fence;  in nouveau_fence_emit()
225 	struct nouveau_fence_priv *priv = (void*)chan->cli->drm->fence;  in nouveau_fence_emit()
228 	fence->timeout  = jiffies + (15 * HZ);  in nouveau_fence_emit()
231 		dma_fence_init(&fence->base, &nouveau_fence_ops_uevent,  in nouveau_fence_emit()
234 		dma_fence_init(&fence->base, &nouveau_fence_ops_legacy,  in nouveau_fence_emit()
238 	ret = fctx->emit(fence);  in nouveau_fence_emit()
240 		dma_fence_get(&fence->base);  in nouveau_fence_emit()
245 			dma_fence_put(&fence->base);  in nouveau_fence_emit()
252 		list_add_tail(&fence->head, &fctx->pending);  in nouveau_fence_emit()
260 nouveau_fence_done(struct nouveau_fence *fence)  in nouveau_fence_done()  argument
262 	if (fence->base.ops == &nouveau_fence_ops_legacy ||  in nouveau_fence_done()
263 	    fence->base.ops == &nouveau_fence_ops_uevent) {  in nouveau_fence_done()
264 		struct nouveau_fence_chan *fctx = nouveau_fctx(fence);  in nouveau_fence_done()
268 		if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->base.flags))  in nouveau_fence_done()
272 		chan = rcu_dereference_protected(fence->channel, lockdep_is_held(&fctx->lock));  in nouveau_fence_done()
277 	return dma_fence_is_signaled(&fence->base);  in nouveau_fence_done()
283 	struct nouveau_fence *fence = from_fence(f);  in nouveau_fence_wait_legacy()  local
287 	while (!nouveau_fence_done(fence)) {  in nouveau_fence_wait_legacy()
316 nouveau_fence_wait_busy(struct nouveau_fence *fence, bool intr)  in nouveau_fence_wait_busy()  argument
320 	while (!nouveau_fence_done(fence)) {  in nouveau_fence_wait_busy()
321 		if (time_after_eq(jiffies, fence->timeout)) {  in nouveau_fence_wait_busy()
341 nouveau_fence_wait(struct nouveau_fence *fence, bool lazy, bool intr)  in nouveau_fence_wait()  argument
346 		return nouveau_fence_wait_busy(fence, intr);  in nouveau_fence_wait()
348 	ret = dma_fence_wait_timeout(&fence->base, intr, 15 * HZ);  in nouveau_fence_wait()
361 	struct nouveau_fence_chan *fctx = chan->fence;  in nouveau_fence_sync()
374 		struct dma_fence *fence;  in nouveau_fence_sync()  local
378 					fence) {  in nouveau_fence_sync()
386 			f = nouveau_local_fence(fence, chan->cli->drm);  in nouveau_fence_sync()
403 			ret = dma_fence_wait(fence, intr);  in nouveau_fence_sync()
424 	struct nouveau_fence *fence;  in nouveau_fence_create()  local
426 	if (unlikely(!chan->fence))  in nouveau_fence_create()
429 	fence = kzalloc(sizeof(*fence), GFP_KERNEL);  in nouveau_fence_create()
430 	if (!fence)  in nouveau_fence_create()
433 	fence->channel = chan;  in nouveau_fence_create()
435 	*pfence = fence;  in nouveau_fence_create()
456 static const char *nouveau_fence_get_get_driver_name(struct dma_fence *fence)  in nouveau_fence_get_get_driver_name()  argument
463 	struct nouveau_fence *fence = from_fence(f);  in nouveau_fence_get_timeline_name()  local
464 	struct nouveau_fence_chan *fctx = nouveau_fctx(fence);  in nouveau_fence_get_timeline_name()
473  * the fence context.
477 	struct nouveau_fence *fence = from_fence(f);  in nouveau_fence_is_signaled()  local
478 	struct nouveau_fence_chan *fctx = nouveau_fctx(fence);  in nouveau_fence_is_signaled()
483 	chan = rcu_dereference(fence->channel);  in nouveau_fence_is_signaled()
485 		ret = (int)(fctx->read(chan) - fence->base.seqno) >= 0;  in nouveau_fence_is_signaled()
493 	struct nouveau_fence *fence = from_fence(f);  in nouveau_fence_no_signaling()  local
496 	 * caller should have a reference on the fence,  in nouveau_fence_no_signaling()
497 	 * else fence could get freed here  in nouveau_fence_no_signaling()
499 	WARN_ON(kref_read(&fence->base.refcount) <= 1);  in nouveau_fence_no_signaling()
507 		list_del(&fence->head);  in nouveau_fence_no_signaling()
509 		dma_fence_put(&fence->base);  in nouveau_fence_no_signaling()
518 	struct nouveau_fence *fence = from_fence(f);  in nouveau_fence_release()  local
519 	struct nouveau_fence_chan *fctx = nouveau_fctx(fence);  in nouveau_fence_release()
522 	dma_fence_free(&fence->base);  in nouveau_fence_release()
536 	struct nouveau_fence *fence = from_fence(f);  in nouveau_fence_enable_signaling()  local
537 	struct nouveau_fence_chan *fctx = nouveau_fctx(fence);  in nouveau_fence_enable_signaling()
545 		set_bit(DMA_FENCE_FLAG_USER_BITS, &fence->base.flags);  in nouveau_fence_enable_signaling()